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Washington to Fort Lauderdale flights in December 2026 from $52 DCA, IAD → FLL

Ronald Reagan National Airport (DCA), Washington Dulles International Airport (IAD) → Fort Lauderdale-Hollywood International Airport (FLL)

For departures in December 2026, the cheapest return found recently is $68 with Frontier Airlines, 14 Dec – 19 Dec, found 5 hours ago. The cheapest one-way found recently is $52 with Frontier Airlines, 8 Dec, found 6 hours ago.

Return

In December 2026, the cheapest return fare on each of 6 departure dates is usually $111 to $237. Across all 17 departure dates we hold on this route, it is usually $136 to $240. Of the 2 months with enough return fares to compare, December 2026 is usually the most expensive.

Cheapest return found recently

$68

14 Dec – 19 Dec · Frontier Airlines

Washington Dulles International Airport (IAD) → Fort Lauderdale-Hollywood International Airport (FLL)

out nonstop, back nonstop

found 5 hours ago

See prices for these datesCheck today's price

It is also the cheapest return we hold, of any age.

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The cheapest dates in December 2026

DatesFromAirlineStopsFound
14 Dec – 19 Dec$68Frontier Airlinesout nonstop, back nonstopfound 5 hours agoSee prices for these dates
8 Dec – 12 Dec$92Frontier Airlinesout nonstop, back 1 stopfound todaySee prices for these dates
22 Dec – 25 Dec$167Frontier Airlinesout nonstop, back nonstopfound yesterdaySee prices for these dates
11 Dec – 13 Dec$208Frontier Airlinesout nonstop, back nonstopfound yesterdaySee prices for these dates
20 Dec – 28 Dec$246Frontier Airlinesout 1 stop, back 2 stopsfound todaySee prices for these dates

Every date we hold

6 departure dates

8 Dec – 12 Dec: $92, found today11 Dec – 13 Dec: $208, found yesterday14 Dec – 19 Dec: $68, found 5 hours ago19 Dec – 23 Dec: $247, found today20 Dec – 28 Dec: $246, found today22 Dec – 25 Dec: $167, found yesterdayDec
See the chart as a table
The cheapest price seen for each departure date — per traveler in Economy.
DatesFromAirlineAirportsStopsFound
8 Dec – 12 Dec$92Frontier AirlinesWashington Dulles International Airport (IAD) → Fort Lauderdale-Hollywood International Airport (FLL)out nonstop, back 1 stopfound todaySee prices for these dates
11 Dec – 13 Dec$208Frontier AirlinesWashington Dulles International Airport (IAD) → Fort Lauderdale-Hollywood International Airport (FLL)out nonstop, back nonstopfound yesterdaySee prices for these dates
14 Dec – 19 Dec$68Frontier AirlinesWashington Dulles International Airport (IAD) → Fort Lauderdale-Hollywood International Airport (FLL)out nonstop, back nonstopfound 5 hours agoSee prices for these dates
19 Dec – 23 Dec$247Frontier AirlinesWashington Dulles International Airport (IAD) → Fort Lauderdale-Hollywood International Airport (FLL)out 1 stop, back nonstopfound todaySee prices for these dates
20 Dec – 28 Dec$246Frontier AirlinesWashington Dulles International Airport (IAD) → Fort Lauderdale-Hollywood International Airport (FLL)out 1 stop, back 2 stopsfound todaySee prices for these dates
22 Dec – 25 Dec$167Frontier AirlinesRonald Reagan National Airport (DCA) → Fort Lauderdale-Hollywood International Airport (FLL)out nonstop, back nonstopfound yesterdaySee prices for these dates

Which month looks cheapest?

December 2026 is the cheapest month — from $68.

November 2026From $1009 departure dates15 Nov – 23 Nov · found 3 days agoSee prices for these datesEvery date in November 2026
December 2026From $68Cheapest seen6 departure dates14 Dec – 19 Dec · found 5 hours agoSee prices for these dates
May 2027From $3471 departure date20 May 2027 – 28 May 2027 · found yesterdaySee prices for these dates
September 2027From $2401 departure date9 Sept 2027 – 10 Sept 2027 · found 2 days agoSee prices for these dates

One-way

In December 2026, the cheapest one-way fare on each of 7 departure dates is usually $67 to $109. Across all 22 departure dates we hold on this route, it is usually $66 to $101. Of the 3 months with enough one-way fares to compare, December 2026 is usually the most expensive.

Cheapest one-way found recently

$52

8 Dec · Frontier Airlines

Washington Dulles International Airport (IAD) → Fort Lauderdale-Hollywood International Airport (FLL)

nonstop

found 6 hours ago

Open this tripCheck today's price

It is also the cheapest one-way we hold, of any age.

FareTell may earn a commission when you book through a partner.

The cheapest dates in December 2026

DatesFromAirlineStopsFound
8 Dec$52Frontier Airlinesnonstopfound 6 hours agoOpen this trip
15 Dec$58Frontier Airlines1 stopfound yesterdayOpen this trip
29 Dec$75Frontier Airlinesnonstopfound 4 days agoOpen this trip
19 Dec$99Frontier Airlines1 stopfound 4 days agoOpen this trip
20 Dec$106Frontier Airlines1 stopfound 4 days agoOpen this trip

Every date we hold

7 departure dates

8 Dec: $52, found 6 hours ago15 Dec: $58, found yesterday19 Dec: $99, found 4 days ago20 Dec: $106, found 4 days ago25 Dec: $182, found 4 days ago27 Dec: $112, found 3 days ago29 Dec: $75, found 4 days agoDec
See the chart as a table
The cheapest price seen for each departure date — per traveler in Economy.
DatesFromAirlineAirportsStopsFound
8 Dec$52Frontier AirlinesWashington Dulles International Airport (IAD) → Fort Lauderdale-Hollywood International Airport (FLL)nonstopfound 6 hours agoOpen this trip
15 Dec$58Frontier AirlinesWashington Dulles International Airport (IAD) → Fort Lauderdale-Hollywood International Airport (FLL)1 stopfound yesterdayOpen this trip
19 Dec$99Frontier AirlinesWashington Dulles International Airport (IAD) → Fort Lauderdale-Hollywood International Airport (FLL)1 stopfound 4 days agoOpen this trip
20 Dec$106Frontier AirlinesWashington Dulles International Airport (IAD) → Fort Lauderdale-Hollywood International Airport (FLL)1 stopfound 4 days agoOpen this trip
25 Dec$182Frontier AirlinesWashington Dulles International Airport (IAD) → Fort Lauderdale-Hollywood International Airport (FLL)1 stopfound 4 days agoOpen this trip
27 Dec$112Frontier AirlinesWashington Dulles International Airport (IAD) → Fort Lauderdale-Hollywood International Airport (FLL)1 stopfound 3 days agoOpen this trip
29 Dec$75Frontier AirlinesWashington Dulles International Airport (IAD) → Fort Lauderdale-Hollywood International Airport (FLL)nonstopfound 4 days agoOpen this trip

Which month looks cheapest?

December 2026 is the cheapest month — from $52.

November 2026From $5810 departure dates14 Nov · found 6 days agoOpen this tripEvery date in November 2026
December 2026From $52Cheapest seen7 departure dates8 Dec · found 6 hours agoOpen this trip
January 2027From $774 departure dates10 Jan 2027 · found 4 days agoOpen this trip
February 2027From $1011 departure date10 Feb 2027 · found 5 days agoOpen this trip

Prices are what travelers' searches on Aviasales found in the last 7 days, in US dollars: the price the seller showed on Aviasales; bags may cost extra. Fares change, so check today's price before you book. How our prices work